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(parent: 677503c) | patch
USB: serial: iuu_phoenix: fix DMA from stack
authorJohan Hovold <johan@kernel.org>
Mon, 4 Jan 2021 14:50:07 +0000 (15:50 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 12 Jan 2021 19:18:20 +0000 (20:18 +0100)
commit5410726d7def8e39b279f6b718c5412266bcc1df
treee273c4e5c575f13573ddc07e9c42554c7cfe96f9tree | snapshot
parent677503c72765c34e83095444c9a8fdc5ca33df7dcommit | diff
USB: serial: iuu_phoenix: fix DMA from stack

commit 54d0a3ab80f49f19ee916def62fe067596833403 upstream.

Stack-allocated buffers cannot be used for DMA (on all architectures) so
allocate the flush command buffer using kmalloc().

Fixes: 60a8fc017103 ("USB: add iuu_phoenix driver")
Cc: stable <stable@vger.kernel.org> # 2.6.25
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/iuu_phoenix.c diff | blob | history
Domain: System / Kernel;